#router-nav {
  text-align: center;
  font-family: "harmony_os";
  height: 40px;
  line-height: 40px;
  background-color: white;
  border-bottom: 1px solid #eeeeee;
  font-weight: bold;
  color: rgb(77, 77, 77);
}

img[alt="返回"] {
  width: 40px;
  height: 40px;
  vertical-align: middle;
  position: absolute;
  left: 0;
}

img[alt="通知"]{
    width: 25px;
    height: 25px;
    position: absolute;
    right: 10px;
    top: 6px;
}